{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "ERNE Plugin Structure",
  "description": "Schema for validating the overall ERNE plugin file structure",
  "type": "object",
  "required": ["version", "name"],
  "properties": {
    "version": {
      "type": "string",
      "pattern": "^\\d+\\.\\d+\\.\\d+",
      "description": "Semantic version of the plugin"
    },
    "name": {
      "type": "string",
      "const": "erne-universal",
      "description": "Plugin package name"
    },
    "platform": {
      "type": "string",
      "enum": ["expo", "bare-rn", "both"],
      "description": "Detected project platform type"
    },
    "profile": {
      "type": "string",
      "enum": ["minimal", "standard", "strict"],
      "default": "standard",
      "description": "Active hook profile"
    },
    "layers": {
      "type": "array",
      "items": {
        "type": "string",
        "enum": ["common", "expo", "bare-rn", "native-ios", "native-android"]
      },
      "description": "Active rule layers based on project detection"
    },
    "mcpServers": {
      "type": "array",
      "items": { "type": "string" },
      "description": "Installed MCP server names"
    },
    "structure": {
      "type": "object",
      "description": "Expected directory structure",
      "properties": {
        "agents": { "type": "integer", "minimum": 8 },
        "rules": { "type": "integer", "minimum": 9 },
        "commands": { "type": "integer", "minimum": 16 },
        "contexts": { "type": "integer", "minimum": 3 },
        "skills": { "type": "integer", "minimum": 7 },
        "hooks": { "type": "integer", "minimum": 1 }
      }
    }
  }
}